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畫三角形 題3b
Author:
GeoGebra Institute of Hong Kong
Topic:
Triangles
GeoGebra
New Resources
画直线等分三角形的面积
球體建築師
找出對稱軸
判斷球體
球体的体积推导（优化版）
Discover Resources
到正四面體頂點的平方和
小學
正四面體
P4_四下_面積（一）(教師版)
畫三角形 題1d 的複本
Discover Topics
Kite
Differential Equation
Symmetry
Continuity
Mode